Atari ST TOS ROM Chips
This information has been collated from various sources and cannot be guaranteed to be correct. Data is as good as the sources we have used. To locate a ROM chip code in this table, use your browser search.
Chip sets are listed together, 2 chips are by each other, and 6 chips are listed together one after the other.
| Part number | Designation | No. of chips | Language | TOS version | Model | Pins | Size | Alternate Code |
| C026034-29 | TBC | 2 Chips | US | TOS 1.00 | 520ST Boot ROMs (Atari Taiwan, 1985) | |||
| C026035 | TBC | 2 Chips | US | TOS 1.00 | 520ST Boot ROMs (Atari Taiwan, 1985) | |||
| C026034 | TBC | 2 Chips | US | TOS 1.00 | 520ST Boot ROMs (OKI) | |||
| C026035 | TBC | 2 Chips | US | TOS 1.00 | 520ST Boot ROMs (OKI) | |||
| C026160-001 | HI 2 | 6 Chips | US | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0150 |
| C026161-001 | HI 1 | 6 Chips | US | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0151 |
| C026162-001 | HI 0 | 6 Chips | US | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0152 |
| C026163-001 | LO 2 | 6 Chips | US | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0153 |
| C026164-001 | LO 1 | 6 Chips | US | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0154 |
| C026165-001 | LO 0 | 6 Chips | US | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0155 |
| C026160 | HI 2 | 6 Chips | UK | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0150 |
| C026163 | LO 2 | 6 Chips | UK | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0153 |
| C026244 | HI 1 | 6 Chips | UK | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0156 |
| C026245 | HI 0 | 6 Chips | UK | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0157 |
| C026246 | LO 1 | 6 Chips | UK | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0158 |
| C026247 | LO 0 | 6 Chips | UK | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | RP23256 0159 |
| C026302 001 | HI 2 | 6 Chips | GER | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026303 001 | HI 1 | 6 Chips | GER | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026304 001 | HI 0 | 6 Chips | GER | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026305 001 | LO 2 | 6 Chips | GER | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026306 001 | LO 1 | 6 Chips | GER | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026307 001 | LO 0 | 6 Chips | GER | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026901-001 | TBC | 6 Chips | ESP | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026902-001 | TBC | 6 Chips | ESP | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026903-001 | TBC | 6 Chips | ESP | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026904-001 | TBC | 6 Chips | ESP | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026905-001 | TBC | 6 Chips | ESP | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| C026906-001 | TBC | 6 Chips | ESP | TOS 1.00 | 520ST/1040ST | 28 pins | 256K | |
| CO70705 | HI | 2 Chips | US | TOS 1.00 | 520ST/1040ST | 28 pins | 1Mbit | |
| CO70706 | LO | 2 Chips | US | TOS 1.00 | 520ST/1040ST | 28 pins | 1Mbit | |
| C101644 | HI 2 | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101645 | HI 1 | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101646 | HI 0 | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101647 | LO 2 | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101648 | LO 1 | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101649 | LO 0 | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101629 | HI | 2 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C101630 | LO | 2 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C101631 | HI | 2 Chips | UK | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C101632 | LO | 2 Chips | UK | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C101633 | HI | 2 Chips | FR | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C101634 | LO | 2 Chips | FR | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C101635 | HI | 2 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C101636 | LO | 2 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C101662 | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 7EF5 / FC39 |
| C101663 | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 4448 / 6F57 |
| C101664 | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | FA34 / 7565 |
| C101665 | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | BEC6 / BF46 |
| C101666 | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 1027 / C2F8 |
| C101667 | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | 0D1E / 9F49 |
| C300227 | HI | 2 Chips | SWISS/GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C300228 | LO | 2 Chips | SWISS/GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C101650 | HI 2 | 6 Chips | UK | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 268A / F1EF |
| C101651 | HI 1 | 6 Chips | UK | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 61D1 / 4A87 |
| C101652 | HI 0 | 6 Chips | UK | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | FDF8 / A8D5 |
| C101653 | LO 2 | 6 Chips | UK | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 6671 / E560 |
| C101654 | LO 1 | 6 Chips | UK | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 1C29 / 16B5 |
| C101655 | LO 0 | 6 Chips | UK | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 0C8E / 0B82 |
| C101656 | HI 2 | 6 Chips | FR | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101657 | HI 1 | 6 Chips | FR | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101658 | HI 0 | 6 Chips | FR | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101659 | LO 2 | 6 Chips | FR | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101660 | LO 1 | 6 Chips | FR | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101661 | LO 0 | 6 Chips | FR | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C101662-001A | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 7EF5/FC39 |
| C101663-001A | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 4448/6F57 |
| C101664-001A | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | FA34/7565 |
| C101665-001A | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | BEC6/BF46 |
| C101666-001A | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 1027/C2F8 |
| C101667-001A | TBC | 6 Chips | GER | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 0D1E/9F49 |
| C300071 | TBC | 6 Chips | SWE | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | BA8E / 4766 |
| C300072 | TBC | 6 Chips | SWE | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 2ED) / A9C0 |
| C300073 | TBC | 6 Chips | SWE | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 17AE / 0C01 |
| C300074 | TBC | 6 Chips | SWE | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 1988 / F7B6 |
| C300075 | TBC | 6 Chips | SWE | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | F5A9 / 7B57 |
| C300076 | TBC | 6 Chips | SWE | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 3B66 / 0C54 |
| C02698 | TBC | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 268A |
| C02609 | TBC | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 6101 |
| C02610 | TBC | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | FC30 |
| C02611 | TBC | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 6671 |
| C02612 | TBC | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 1C29 |
| C02613 | TBC | 6 Chips | US | TOS 1.02 | 520ST/1040ST/Mega ST | 28 pins | 256K | 0C94 |
| C300787 | HI 2 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300788 | HI 1 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300789 | HI 0 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300790 | LO 2 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300791 | LO 1 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300792 | LO 0 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300635 | HI 2 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300636 | HI 1 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300637 | HI 0 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300638 | LO 2 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300639 | LO 1 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300640 | LO 0 | 6 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300683 | HI | 2 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C300684 | LO | 2 Chips | US | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C300685 | HI | 2 Chips | UK | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C300686 | LO | 2 Chips | UK | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C300689 | HI | 2 Chips | GER | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C300690 | LO | 2 Chips | GER | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C300693 | HI | 2 Chips | SWE | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C300694 | LO | 2 Chips | SWE | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C300695 | HI | 2 Chips | SWI/FRE | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C300696 | LO | 2 Chips | SWI/FRE | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 1Mbit | |
| C301119 | HI | 2 Chips | US | TOS 1.04 | Stacy | 32 pins | 1Mbit | |
| C301120 | LO | 2 Chips | US | TOS 1.04 | Stacy | 32 pins | 1Mbit | |
| C301125 | HI | 2 Chips | GER | TOS 1.04 | Stacy | 32 pins | 1Mbit | |
| C301126 | LO | 2 Chips | GER | TOS 1.04 | Stacy | 32 pins | 1Mbit | |
| C300641-001 | HI 2 | 6 Chips | UK | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300642-001 | HI 1 | 6 Chips | UK | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300643-001 | HI 0 | 6 Chips | UK | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300644-001 | LO 2 | 6 Chips | UK | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300645-001 | LO 1 | 6 Chips | UK | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300646-001 | LO 0 | 6 Chips | UK | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300641-002 | HI 2 | 6 Chips | UK | TOS 1.41 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300642-002 | HI 1 | 6 Chips | UK | TOS 1.41 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300643-002 | HI 0 | 6 Chips | UK | TOS 1.41 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300644-002 | LO 2 | 6 Chips | UK | TOS 1.41 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300645-002 | LO 1 | 6 Chips | UK | TOS 1.41 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300646-002 | LO 0 | 6 Chips | UK | TOS 1.41 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | FRA | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | FRA | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | FRA | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | FRA | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | FRA | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | FRA | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | NL/HOL | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | NL/HOL | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | NL/HOL | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | NL/HOL | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | NL/HOL | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| TBC | TBC | 6 Chips | NL/HOL | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300665-002 | HI 2 | 6 Chips | SWE | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300666-002 | HI 1 | 6 Chips | SWE | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300667-002 | HI 0 | 6 Chips | SWE | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300668-002 | LO 2 | 6 Chips | SWE | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300669-002 | LO 1 | 6 Chips | SWE | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300670-002 | LO 0 | 6 Chips | SWE | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300653 | HI 2 | 6 Chips | GER | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300654 | HI 1 | 6 Chips | GER | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300655 | HI 0 | 6 Chips | GER | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300656 | LO 2 | 6 Chips | GER | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300657 | LO 1 | 6 Chips | GER | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C300658 | LO 0 | 6 Chips | GER | TOS 1.04 | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C301163-001 | HI | 2 Chips | US | TOS 1.60 | 1040STE | 28 pins | 1Mbit | |
| C301164-001 | LO | 2 Chips | US | TOS 1.60 | 1040STE | 28 pins | 1Mbit | |
| C301176 | LO | 2 Chips | FRA | TOS 1.60 | 1040STE | 28 pins | 1Mbit | |
| C301175 | HI | 2 Chips | FRA | TOS 1.60 | 1040STE | 28 pins | 1Mbit | |
| C301169 | HI | 2 Chips | ESP | TOS 1.60 | 1040STE | TBC | 1Mbit | |
| C301170 | LO | 2 Chips | ESP | TOS 1.60 | 1040STE | TBC | 1Mbit | |
| C301165-001 | HI | 2 Chips | UK | TOS 1.60 | 1040STE | 28 pins | 1Mbit | 9102 BCF 173218-52 |
| C301166-001 | LO | 2 Chips | UK | TOS 1.60 | 1040STE | 28 pins | 1Mbit | 9101 AAF 173217-52 |
| C301163-002 | HI | 2 Chips | US | TOS 1.62 | 1040STE | 28 pins | 1Mbit | |
| C301164-002 | LO | 2 Chips | US | TOS 1.62 | 1040STE | 28 pins | 1Mbit | |
| C301165-002 | HI | 2 Chips | UK | TOS 1.62 | 1040STE | 28 pins | 1Mbit | |
| C301166-002 | LO | 2 Chips | UK | TOS 1.62 | 1040STE | 28 pins | 1Mbit | |
| C301179-002A | HI | 2 Chips | GER | TOS 1.62 | 1040STE | 28 pins | 1Mbit | |
| C301180-002A | LO | 2 Chips | GER | TOS 1.62 | 1040STE | 28 pins | 1Mbit | |
| C302018-002 | HI | 2 Chips | US | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302019-002 | LO | 2 Chips | US | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302024-002B | HI | 2 Chips | GER | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302025-002B | LO | 2 Chips | GER | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302020-002 | HI | 2 Chips | UK | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302021-002 | LO | 2 Chips | UK | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302022-002 | HI | 2 Chips | FRA | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302023-002 | LO | 2 Chips | FRA | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302026-002 | HI | 2 Chips | ITA | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302027-002 | LO | 2 Chips | ITA | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302028-002 | HI | 2 Chips | ESP | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302029-002 | LO | 2 Chips | ESP | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302030-002 | HI | 2 Chips | CHE (F) | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302031-002 | LO | 2 Chips | CHE (F) | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302032-002 | HI | 2 Chips | CHE (D) | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302033-002 | LO | 2 Chips | CHE (D) | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302034-002 | HI | 2 Chips | SWE | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| C302035-002 | LO | 2 Chips | SWE | TOS 2.05 | Mega STE | 32 pins | 1Mbit | |
| TBC | HI | 2 Chips | UK | TOS 2.06 | Mega STE | 32 pins | 1Mbit | EE |
| TBC | LO | 2 Chips | UK | TOS 2.06 | Mega STE | 32 pins | 1Mbit | EO |
| TBC | HI | 2 Chips | FRA | TOS 2.06 | Mega STE | 32 pins | 1Mbit | EE |
| TBC | LO | 2 Chips | FRA | TOS 2.06 | Mega STE | 32 pins | 1Mbit | EO |
| TBC | HI | 2 Chips | GER | TOS 2.06 | Mega STE | 32 pins | 1Mbit | EE |
| TBC | LO | 2 Chips | GER | TOS 2.06 | Mega STE | 32 pins | 1Mbit | EO |
| C302018-003 | HI | 2 Chips | US | TOS 2.06 | Mega STE | 32 pins | 1Mbit | EE |
| C302019-003 | LO | 2 Chips | US | TOS 2.06 | Mega STE | 32 pins | 1Mbit | EO |
| C301937-003C | EE | 4 Chips | GER | TOS 3.01 | Atari TT | 32 pins | 1Mbit | 46AC |
| C301938-003C | OE | 4 Chips | GER | TOS 3.01 | Atari TT | 32 pins | 1Mbit | $CBB7 |
| C301939-003C | EO | 4 Chips | GER | TOS 3.01 | Atari TT | 32 pins | 1Mbit | $C9E7 |
| C301940-003C | OO | 4 Chips | GER | TOS 3.01 | Atari TT | 32 pins | 1Mbit | $B1DB |
| C301925 | EE | 4 Chips | US | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301926 | OE | 4 Chips | US | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301927 | EO | 4 Chips | US | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301928 | OO | 4 Chips | US | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301929 | EE | 4 Chips | UK | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301930 | OE | 4 Chips | UK | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301931 | EO | 4 Chips | UK | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301932 | OO | 4 Chips | UK | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301957 | EE | 4 Chips | SWE | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301958 | OE | 4 Chips | SWE | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301959 | EO | 4 Chips | SWE | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301960 | OO | 4 Chips | SWE | TOS 3.06 | Atari TT | 32 pins | 1Mbit | |
| C301937-005E | EE | 4 Chips | GER | TOS 3.06 | Atari TT | 32 pins | 1Mbit | $FF42 |
| C301938-005E | OE | 4 Chips | GER | TOS 3.06 | Atari TT | 32 pins | 1Mbit | $56F3 |
| C301939-005E | EO | 4 Chips | GER | TOS 3.06 | Atari TT | 32 pins | 1Mbit | $9741 |
| C301940-005E | OO | 4 Chips | GER | TOS 3.06 | Atari TT | 32 pins | 1Mbit | $CAD3 |
| C301937-006F | EE | 4 Chips | GER | TOS 3.06 | Atari TT | 32 pins | 1Mbit | $02E06 |
| C301938-006F | OE | 4 Chips | GER | TOS 3.06 | Atari TT | 32 pins | 1Mbit | $4F50 |
| C301939-006F | EO | 4 Chips | GER | TOS 3.06 | Atari TT | 32 pins | 1Mbit | $694E |
| C301940-006F | OO | 4 Chips | GER | TOS 3.06 | Atari TT | 32 pins | 1Mbit | $4AD1 |
| C101631 | TBC | 2 Chips | TBC | TBC | Atari Transputor | 32 pins | 1Mbit | |
| C101632 | TBC | 2 Chips | TBC | TBC | Atari Transputor | 32 pins | 1Mbit | |
| C026908 | HI 2 | 6 Chips | US | Mega TOS | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C026909 | HI 1 | 6 Chips | US | Mega TOS | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C026910 | HI 0 | 6 Chips | US | Mega TOS | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C026911 | LO 2 | 6 Chips | US | Mega TOS | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C026912 | LO 1 | 6 Chips | US | Mega TOS | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C026913 | LO 0 | 6 Chips | US | Mega TOS | 520ST/1040ST/Mega ST | 28 pins | 256K | |
| C303217-001 | NA | 1 Chip | Multi | TOS 4.04 | Falcon 030 | 44 pin PLCC | 4Mbit | |
| CA401299-001 | NA | 1 Chip | US | TOS 4.0X | Falcon 030 | 44 pin PLCC | 4Mbit | |
| CA401299-003 | NA | 1 Chip | UK | TOS 4.0X | Falcon 030 | 44 pin PLCC | 4Mbit | |
| CA401299-004 | NA | 1 Chip | FRA | TOS 4.0X | Falcon 030 | 44 pin PLCC | 4Mbit | |
| CA401299-006 | NA | 1 Chip | ITA | TOS 4.0X | Falcon 030 | 44 pin PLCC | 4Mbit | |
| CA401299-001 | NA | 1 Chip | ESP | TOS 4.0X | Falcon 030 | 44 pin PLCC | 4Mbit | |
| CA401299-010 | NA | 1 Chip | SWD | TOS 4.0X | Falcon 030 | 44 pin PLCC | 4Mbit | |
| CA401299-012 | NA | 1 Chip | SWE | TOS 4.0X | Falcon 030 | 44 pin PLCC | 4Mbit |